| PartNumber | PCA9539RGER | PCA9539RBS,118 | PCA9539RPW,112 |
| Description | Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander | Interface - I/O Expanders I2C Bus and SMBus LwPwr I/O Port 24Pin | IC I/O EXPANDER I2C 16B 24TSSOP |
| Manufacturer | Texas Instruments | NXP | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 16 I/O | 16 I/O | - |
| Interface Type | I2C, Serial, SMBus | I2C, Serial, SMBus | - |
| Maximum Clock Frequency | 400 kHz | 400 kHz | - |
| Interrupt Output | With Interrupt | With Interrupt | - |
| Operating Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VQFN-24 | HVQFN-24 | - |
| Packaging | Reel | Reel | - |
| Features | Configuration Registers, Interrupt Pin, Reset Pin | - | - |
| Output Current | 25 mA | 50 mA | - |
| Product | I/O Expanders | I/O Expanders | - |
| Series | PCA9539 | PCA9539R | - |
| Type | I/O Expander | General Purpose | - |
| Brand | Texas Instruments | NXP Semiconductors | - |
| Logic Family | PCA9539 | PCA9539 | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 100 uA | 135 uA | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 3000 | 6000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.001601 oz | 0.001244 oz | - |
| Input Voltage | - | 5 V | - |
| Output Type | - | Open Drain | - |
| Output Voltage | - | 5 V | - |
| Logic Type | - | I2C, SMBus | - |
| Pd Power Dissipation | - | 200 mW | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.3 V | - |
| Part # Aliases | - | 935286604118 | - |